Load distribution and life calculation method of double-row tapered roller bearings in wind turbines

A technology for tapered roller bearings and wind turbines, which is applied in computing, computer-aided design, electrical digital data processing, etc., can solve the difficulty of load distribution calculation, complex and changeable bearing load conditions, and complex internal bearing conditions, etc. problem, to achieve the effect of precise contact deformation

Active Publication Date: 2021-12-28
GUANGDONG MINGYANG WIND POWER IND GRP CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The bearing load conditions are complex and changeable, the internal force of the bearing is complicated during operation, and the calculation of load distribution is difficult

Method used

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  • Load distribution and life calculation method of double-row tapered roller bearings in wind turbines
  • Load distribution and life calculation method of double-row tapered roller bearings in wind turbines
  • Load distribution and life calculation method of double-row tapered roller bearings in wind turbines

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Embodiment Construction

[0137] The present invention will be further described below in conjunction with specific examples.

[0138] The load distribution and life calculation method of the double-row tapered roller bearing of the wind power generating set provided in this embodiment is aimed at the internal load calculation model of the traditional double-row tapered roller bearing that does not consider rib deformation, bearing radial clearance, roller In order to solve problems such as shape modification, a method for simulating the deformation of the inner ring and rolling elements of double-row tapered roller bearings based on coordinate vectors is proposed. Specifically, the contact deformation between the raceway and the roller and the contact deformation between the roller and the rib are reflected through coordinate transformation Contact deformation, and considering the influence of rib deformation, bearing clearance and roller shape modification, and then by establishing the static balance ...

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Abstract

The invention discloses a method for calculating the load distribution and life of a double-row tapered roller bearing of a wind power generating set. The method is mainly based on coordinate vectors to simulate the deformation of the inner ring and the rolling body of the double-row tapered roller bearing, specifically through coordinate transformation. Reflect the contact deformation between the raceway and the roller and the contact deformation between the roller and the rib, and consider the influence of rib deformation, bearing clearance and roller modification, and then obtain the bearing by establishing the static balance equation between the raceway and the roller Raceway load distribution, and then solve for bearing life on this basis. The method of the invention can efficiently, accurately and quickly calculate the distribution of the bearing load and the service life of the bearing, and has practical popularization value.

Description

technical field [0001] The invention relates to the technical field of strength analysis of components of a wind power generating set, in particular to a load distribution and life calculation method of a double-row tapered roller bearing of a wind generating set. Background technique [0002] Double-row tapered roller bearings are important components of the transmission system of large wind turbines, and are widely used in the main shaft bearings of semi-direct drive fans and direct drive fans. The load conditions of bearings are complex and changeable, the internal force of bearings is complicated during operation, and the calculation of load distribution is difficult. [0003] In view of this, a method for simulating the deformation of the inner ring and rollers of double-row tapered bearings based on coordinate vectors is proposed, and the contact deformation between the raceway and the rollers is reflected through coordinate transformation, and the rib model, bearing c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/17G06F119/14
CPCG06F30/17G06F2119/06Y02E60/00
Inventor 邹荔兵段博志杨明川黄翀任永赵春雨刘凡鹰
Owner GUANGDONG MINGYANG WIND POWER IND GRP CO LTD
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